Oh, there are no segments... If this error is still occurring in the latest Solr version without top_fc hint then it's a bug.
Joel Bernstein http://joelsolr.blogspot.com/ On Thu, Sep 29, 2022 at 3:27 PM Joel Bernstein <joels...@gmail.com> wrote: > What version of Solr are you using? > > Try removing the top_fc hint, does the error still occur? > > > Joel Bernstein > http://joelsolr.blogspot.com/ > > > On Thu, Sep 29, 2022 at 12:47 PM 南拓弥 <takuya.p...@gmail.com> wrote: > >> Hello all, >> >> NPE in collapse hint=top_fc, >> When there are no segments, using hint=top_fc in collapse results in NPE. >> >> * query >> http://localhost:8983/solr/bukken/select?fq={!collapse >> field=str_field&hint=top_fc}&indent=true&q.op=OR&q=*:*&useParams= >> >> * response >> "error":{ >> "msg":"Cannot invoke >> \"org.apache.lucene.index.SortedDocValues.getValueCount()\" because >> \"this.collapseValues\" is null", >> "trace":"java.lang.NullPointerException: Cannot invoke >> \"org.apache.lucene.index.SortedDocValues.getValueCount()\" because >> \"this.collapseValues\" is null\n\tat >> >> org.apache.solr.search.CollapsingQParserPlugin$OrdScoreCollector.<init>(CollapsingQParserPlugin.java:621)\n\tat >> >> org.apache.solr.search.CollapsingQParserPlugin$CollectorFactory.getCollector(CollapsingQParserPlugin.java:2125) >> ..... >> >> Has this issue already been discussed? >> >> Minami Takuya >> >
